#1B266E#1B266E

#1B266E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.1% C 0.125 H 270.6°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#1B266E
RGB	rgb(27, 38, 110)
HSL	hsl(232, 61%, 27%)
HSV	hsv(232, 75%, 43%)
CMYK	cmyk(75.5%, 65.5%, 0%, 56.9%)
CIE-LAB	lab(18.99, 22.49, -43.13)
CIE-LCH	lch(18.99, 48.64, 297.55°)
OKLab	oklab(31.05% 0.0012 -0.1245)
OKLCH	oklch(31.05% 0.125 270.6)
XYZ	xyz(3.9586, 2.7446, 15.0700)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B266E #6E631B

analogous

#1B506E #1B266E #3A1B6E

triadic

#1B266E #6E1B26 #266E1B

tetradic

#1B266E #6E1B50 #6E631B #1B6E3A

square

#1B266E #6E1B50 #6E631B #1B6E3A

split-complementary

#1B266E #6E3A1B #506E1B

monochromatic

#060819 #0F153D #1B266E #27379F #364ACE

Accessibility & contrast

On white

13.56

#1B266E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B266E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B266E

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B266E	#FFFFFF	#000000	##FFFFFF
##1B266E	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002A6D

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b266e;
/* rgb */ color: rgb(27, 38, 110);
/* oklch */ color: oklch(31.1% 0.125 270.6);

Tailwind

colors: {
  custom: {
    50: '#656098',
    500: '#1b266e',
    950: '#000000',
  },
}

SCSS

$custom: #1b266e;
$custom-light: #656098;
$custom-dark: #000000;

JSON

{
  "hex": "#1b266e",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 110
  },
  "hsl": {
    "h": 232.048,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31052,
    "c": 0.12455,
    "h": 270.6
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#1B266E

secondary

#A39642

accent

#CF44E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B266E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →